JP7319374B2 - Automatic return type shower head and usage - Google Patents

Description

This application claims priority from a Chinese application entitled "Self-Reset Showerhead" filed with the Patent Office of China on September 24, 2020, with application number 2020110140403, all of which is incorporated into this application by reference.

TECHNICAL FIELD The present application belongs to the technical field of showers, and specifically relates to a self-resetting showerhead and a method of using the same.

In common showers, the function switching mechanism is usually located in front of the shower panel and must be operated at the distal end to switch or return. For the multi-function shower, the switching operation distance is long, and the shower switching cannot be realized by one-handed operation, which makes the use of the multi-function shower inconvenient.

The present application provides an automatic reset type shower head that can solve the problem of conventional multi-function showers that cannot be operated with one hand and is inconvenient to use.

A self-resetting showerhead according to an embodiment of the present invention comprises:
a shower head body connected to the handle and having a water outlet passage communicating with the water supply passage of the handle;
a valve body having a water diversion hole, fixed to the connection between the shower head body and the handle, and located between the water supply passage and the water discharge passage;
a seal packing disposed on the valve body;
a water diversion panel installed inside the connecting portion between the shower head main body and the handle, and for adjusting the flow of water entering the water discharge passage from the water supply passage via the water diversion hole by rotating with respect to the valve body;
a switching return assembly installed at the connection between the shower head body and the handle and interlocking with the water divider;
a handle including a first tubular connection formed at the end of the showerhead body and a second tubular connection threadedly engaged with the first tubular connection;
The switching return assembly includes a rotating operation member installed on the wall surface of the connecting portion between the shower head body and the handle, a switching assembly installed inside the connecting portion between the shower head body and the handle, and the shower head body and the handle. and a return portion installed inside the connection portion with the switching assembly, wherein the rotating operation member is interlocked with the switching assembly, the switching assembly is interlocked with the water dividing plate, and when the rotating operation member is rotated in the positive direction, the switching The assembly drives the water dividing plate to move, and the return portion interlocks with the rotating operation member, thereby driving the rotating operation member to move in the opposite direction to return.

In the above implementation process, when using the automatic return shower head, the user holds the handle with one hand and rotates the rotary operation member with the finger to move the water divider by the switching assembly. By changing the relative position of the valve body and adjusting the relative position of the water diversion hole of the water dividing plate and the switching hole of the valve body, the water flow rate of the shower head body can be adjusted and the water flow can be switched. . When the acting force applied to the rotary operation member is released, the return portion operates to return the rotary operation member to prepare for the next operation. Since the above operation can be completed with one hand, it can be operated easily and quickly. Furthermore, since the switching return assembly is adjacent to the valve body, the switching assembly and the diversion valve can quickly respond after the operator rotates the rotating operation member, contributing to an improvement in the water flow switching speed of the shower head. can.

In an optional embodiment, the valve body has one end connected to the water outlet passage, the other end formed with a mounting groove, and a water diversion hole formed inside the valve body,
The water diversion board comprises a switching plate and a transmission part, and rotates with respect to the valve body to adjust the flow of water entering the water discharge passage via the water diversion hole,
A switching hole is formed in the switching plate, the switching plate is rotatably installed in the mounting groove,
The transmission part has a passage inside for communicating with the water supply passage, and is connected to the switching plate, so that the water flow can flow through the inside of the transmission part to the switching hole of the switching plate, and the transmission part is switched and returned. in conjunction with the assembly,
A seal packing corresponding to the diversion hole is provided in the mounting groove of the valve body so as to prevent the water flow from entering the water discharge passage through the clearance of the diversion hole.

In the above implementation process, the switching return assembly drives the transmission to rotate, and moves the switching plate to rotate in the mounting recess, so as to change the relative positions of the switching hole and the water diversion hole, thereby changing the water flow. Realize switching. Since part of the structure of the water divider is located in the mounting groove, the rotation route of the water distribution plate is restricted to the valve body, so the movement of the water distribution plate is restricted to a limited space, preventing displacement of the water distribution plate. be able to.

In an optional embodiment, a valve lid is further installed at one end of the transmission part of the diverter,
As the transmission part penetrates the valve lid, the position of the switching plate is restricted between the valve lid and the valve body.

In the process of realizing the above, the addition of the valve cover provides a reliable connection between the water diversion board and the valve body. Prevents escape and contributes to normal operation of the shower head. The valve lid also serves as a seal, and can prevent the water flow entering the water diversion hole from leaking from between the valve body and the water diversion plate.

In an alternative embodiment, a stop is formed on the wall of the valve body and an annular engagement structure is formed on the end face of the valve body. An end of the valve lid is engageable with the annular engagement structure, and an edge of the valve lid is formed with a locking groove that engages with the locking portion. Optionally weld the valve lid to the valve body.

In alternative embodiments, the switching assembly comprises a ratchet and a drive block;
A ratchet is attached to the transmission part,
a drive block interlocking with the rotary operation member and including a drive ratchet pawl and a transmission block; engagement between the transmission block and the positioning groove of the rotary operation member causes the drive block and the rotary operation member to be interlocked; When the driving ratchet pawl and the ratchet engage to rotate the rotating operation member in the forward direction, the drive block drives the ratchet to rotate in the forward direction.

In the process of realizing the above, the ratchet and the driving block are simple in structure and easy to manufacture. efficiency can be guaranteed. In addition, if the characteristics of the ratchet and the ratchet pawl are utilized, the ratchet will not move when the driving ratchet pawl acts in the opposite direction to the ratchet, so that the normal operation of the water divider can be ensured, and the force acting on the rotating operation member can be eliminated. In some cases, it is possible to avoid that the water diversion basin is affected by the force acting in the opposite direction of the return part.

In an optional embodiment, the transmission part is a shaft-like structure, the wall surface of which is formed with a position limiting groove,
A ratchet is mounted around the transmission part, a bump is formed on the inner ring of the ratchet, the bump is fitted in the position limiting groove,
A drive block is rotatably mounted on the transmission.

In the above implementation process, both the ratchet and the driving block are mounted on the transmission part, which contributes to the stability of the connection between the ratchet, the driving block and the water diversion plate. In addition, since the driving block is rotatable around the transmission part, the acting force of the driving block is stably transmitted to the water dividing plate along the correct direction, and the accuracy of water flow switching can be guaranteed.

In an optional embodiment, the switching return assembly further comprises a positioning pawl that fits into the groove of the valve lid and acts on the ratchet to stop reverse movement of the ratchet.

In the above implementation process, the addition of the positioning pawl can ensure that the ratchet will not move in the opposite direction under any circumstances, so that the water diversion plate will not move in the opposite direction. That is, when the force acting on the rotating operation member is released after one water flow switching is completed, the rotating operation member is restored by the return portion, but the water diversion plate is not affected and is maintained at the current position. The position of the water divider can be further adjusted by the user rotating the rotary operation member again in the forward direction to drive the water divider.

In an alternative embodiment, the return part comprises a resilient device acting on the drive block to drive the reverse rotation of the drive block.

In the above implementation process, the elastic device has a simple structure and good return effect. When the force acting on the rotating operation member is released, the elastic force of the elastic device causes the driving block to quickly rotate in the opposite direction. Then, the rotary operation member is driven to rotate and returned to prepare for the next rotation of the rotary operation member by the user.

In an optional embodiment, the handle includes a first tubular connection formed at the end of the showerhead body and a second tubular connection threadedly engaged with the first tubular connection,
A rotation through hole is formed in the wall surface of the first tubular connection part,
a rotating operation member is rotatably mounted between the first tubular connection portion and the second tubular connection portion;
A transmission block protrudes from a wall surface of the drive block, and the transmission block penetrates the rotation through-hole and connects with the rotation operation member.

In the process of realizing the above, the first tubular connection part and the second tubular connection part are detachable from each other, which contributes to the maintenance of the valve body, the seal packing, the water dividing plate and the switching return assembly. In addition, since the rotating operation member can block the gap between the first tubular connection part and the second tubular connection part, a flat surface can be provided between the shower head body and the handle, and the shower head can be aligned. It can give a nice appearance.

In an optional embodiment, the showerhead body comprises a housing, a water ejection member and a front cover,
a first tubular connection of the handle is formed in the housing of the showerhead body, a water discharge member is installed between the front cover and the housing;
A valve body is screwed to the housing and connects with the water discharge member.

In the process of realizing the above, the showerhead body has a simple structure, which contributes to manufacturing and maintenance. Since the valve body is fixed inside the showerhead body with screws, it can contribute to the stability of the connection between the valve body and the showerhead body. In addition, since the front cover can block the water discharge member, the shower head body can be given a neat appearance and the water discharge member can be protected from being damaged by external objects.

In an alternative embodiment, a handle is formed on the wall of the pivoting member.

In the process of realizing the above, the user can hold the handle with one hand and move the rotating operation member with the finger to move the water diverter, thereby switching the water flow, and the finger movement is simple and quick. suitable for one-handed operation.

In order to more clearly describe the technical solutions of the embodiments of the present application, the drawings necessary for describing the embodiments will be briefly described below. The described drawings merely depict some embodiments of the present application and are not limiting in scope. Those skilled in the art can derive other related drawings from these drawings without using their inventive ability.

1 is a plan view of an automatic reset showerhead according to an embodiment; FIG. FIG. 2 is a cross-sectional view along the AA direction in FIG. 1; 1 is a perspective exploded view of an automatic reset showerhead according to an embodiment; FIG. FIG. 4 is a perspective exploded view of the valve body, seal packing, water divider and switching return assembly in this embodiment. FIG. 4 is an assembled view of the valve body, switching return assembly, and handle after rotating the rotary operation member in this embodiment. FIG. 10 is an assembly drawing of the valve body, the switching return assembly, and the handle after the rotary operation member is returned in the present embodiment;

In order to make the objects, technical solutions and advantages of the embodiments of the present application clearer, the following clearly and completely describes the technical solutions in the embodiments of the present application with reference to the drawings used in the embodiments of the present application. Of course, the described embodiments are only some but not all embodiments of the present application. The components in the embodiments of the present application shown here with the drawings can be arranged and designed in various ways.

Accordingly, the following detailed description of embodiments of the present application shown in the drawings are merely illustrative of selected embodiments of the present application and are not intended to limit the scope of protection of the present application. do not have. Based on the embodiments of the present application, all other embodiments obtained by persons skilled in the art without using inventive ability shall also fall within the protection scope of the present application.

Since similar reference numerals indicate similar items in the drawings, definitions in one drawing do not require further definition and interpretation in other drawings.

In describing the embodiments of the present application, terms such as "center", "top", "bottom", "left", "right", "vertical", "horizontal", "inside", "outside", etc. The directions or positional relationships described herein are based on the drawings, or are the directions or positional relationships of the general arrangement of the products according to the application, or are the directions or positional relationships that are commonly understood by those skilled in the art, and the present application and does not necessarily express or imply that the device or element has a particular orientation, or is configured or operated in a particular orientation. , should not be construed as limiting the present application.

In describing embodiments of the present application, the terms "installation", "attachment", "coupling", and "connection" should be understood broadly, unless explicitly defined or limited. For example, it may be a fixed connection, a removable connection, or an integral connection. Also, they may be directly connected, indirectly connected via an intermediate, or the insides of the two elements may communicate with each other. A person skilled in the art can understand the specific meaning of the above terms in this application according to the specific situation.

In addition, as long as there is no contradiction, the embodiments of the present application and the features in the embodiments can be arbitrarily combined.

The technical solution of the present application will be described below with reference to the drawings.

This embodiment provides an automatic reset shower head 10 that can solve the problem of conventional multi-function showers that cannot be operated with one hand and is inconvenient to use.

As shown in FIGS. 1 to 3, FIG. 1 is a plan view of an automatic reset showerhead 10 according to this embodiment, FIG. 2 is a cross-sectional view along the AA direction in FIG. 1, and FIG. 1 is a perspective exploded view of an automatic reset showerhead 10 according to an embodiment; FIG. The automatic return showerhead 10 includes a showerhead body 11 , a valve body 12 , a seal packing 26 , a water divider 13 , a switch return assembly 14 and a handle 15 . The shower head body 11 comprises a housing 44 , a water discharge member 45 and a front cover 46 , the water discharge member 45 having a water inlet joint 48 and the front cover 46 having a locking structure 50 . The valve body 12 includes a mounting groove 22 , a locking portion 28 , an annular engagement structure 29 , a fixing lug 47 and a water outlet joint 49 . The water dividing plate 13 includes a switching plate 23 and a transmission portion 24 in which a position limiting groove 34 is formed. The switching return assembly 14 includes a valve lid 27, a rotary operation member 19 formed with a handle piece 43, a switching assembly 20, and a return portion 21. The valve lid 27 is formed with a locking groove 30 for positioning. A pawl 36 is fixed to the valve lid 27 and the switching assembly 20 comprises a ratchet 31 and a drive block 32 in which a drive ratchet pawl 33 and a transmission block 41 are formed. The handle 15 includes a first tubular connection portion 38 formed at the end of the showerhead main body 11 and a second tubular connection portion 39 that screws together with the first tubular connection portion 38, and the first tubular connection portion 38 is It has a rotation through hole 40 .

The shower head body 11 is connected to the handle 15 , and the water supply passage 16 of the handle 15 communicates with the water discharge passage 17 of the shower head body 11 . The valve body 12 , the seal packing 26 , the water dividing plate 13 and the switching return assembly 14 are sequentially fixed to the connecting portion between the shower head body 11 and the handle 15 and positioned between the water supply passage 16 and the water discharge passage 17 . The water dividing plate 13 is installed inside the connecting portion between the shower head body 11 and the handle 15 and is configured to be rotatable with respect to the valve body 12 , and adjusts the flow of water entering the water outlet passage 17 from the water supply passage 16 . A switch return assembly 14 is associated with the diversion basin 13 . The switching return assembly 14 includes a rotary operation member 19 , a switching assembly 20 and a return portion 21 .

The rotary operation member 19 is installed on the wall surface of the connecting portion between the showerhead main body 11 and the handle 15 . The switching assembly 20 and the return part 21 are installed inside the connecting part between the showerhead body 11 and the handle 15 .

Since the rotary operation member 19 and the switching assembly 20 are interlocked, and the switching assembly 20 and the water diversion board 13 are also interlocked, when the rotary operation member 19 is rotated in the forward direction, the switching assembly 20 causes the water diversion board 13 to move. drive movement. The return portion 21 and the rotating operation member 19 are interlocked, and the rotating operation member 19 can be driven to move in the opposite direction and be returned.

In the process of realizing the above, when using the automatic reset type shower head 10, the user grips the handle 15 with one hand and rotates the rotating operation member 19 with the finger, thereby opening the water divider 13 by the switching assembly 20. By exercising and changing the relative position between the water dividing plate 13 and the valve body 12, the water flow rate of the shower head main body 11 can be adjusted and the water flow can be switched. When the acting force applied to the rotating operation member 19 is released, the return portion 21 is actuated to restore the rotating operation member 19 and prepare for the next operation. Since the above operation can be completed with one hand, it can be operated easily and quickly. Further, since the switching return assembly 14 is adjacent to the diversion board 13 and the valve body 12, the switching assembly 20, the diversion board 13 and the valve body 12 can quickly respond after the operator turns the rotary operation member 19. It can contribute to the improvement of the water flow switching speed of the shower head.

In the present disclosure, FIG. 4 is a perspective exploded view of the valve body 12, seal packing 26, water divider 13 and switch return assembly 14 in this embodiment. 4, from left to right, they are the valve body 12, the seal packing 26, the water dividing plate 13, the valve cover 27, the ratchet 31, the drive block 32, the rotary operation member 19, and the return portion 21. As shown in FIG. The valve body 12 has a water diversion hole 18 , a mounting groove 22 , a locking portion 28 , an annular engagement structure 29 , a fixing lug 47 and a water outlet joint 49 . The water dividing plate 13 includes a switching plate 23 formed with a switching hole 25 and a transmission portion 24 formed with a position limiting groove 34 . A positioning claw 36 is fixed to the recessed groove 37 in which the locking groove 30 and the recessed groove 37 are formed in the valve lid 27 . The switching assembly 20 is composed of a ratchet 31 and a drive block 32 , the ratchet 31 is provided with a bump 35 , and the drive block 32 is provided with a drive ratchet pawl 33 and a transmission block 41 . The switching return assembly 14 includes a valve lid 27, a switching assembly 20, a return portion 21, and a rotary operation member 19. The rotary operation member 19 is formed with a positioning groove 42 and a handle piece 43. As shown in FIG.

The valve body 12 has one end connected to the water outlet passage 17 , a mounting groove 22 formed at the other end, and a diversion hole 18 formed inside the valve body 12 . The water diversion board 13 includes a switching plate 23 and a transmission part 24 , is rotatable with respect to the valve body 12 , and adjusts the flow of water entering the water discharge passage 17 via the water diversion hole 18 . A switching hole 25 is formed in the switching plate 23 , and the switching plate 23 is rotatably installed in the mounting groove 22 . The transmission portion 24 is connected to the switching plate 23 and interlocked with the switching return assembly 14 .

In addition, the inside of the transmission portion 24 has a passage communicating with the water supply passage 16 so that water flows through the inside of the transmission portion 24 to the switching plate 23 .

In the present disclosure, the valve body 12 is formed with four water diversion holes 18 and the switching plate 23 is formed with two switching holes 25 . When the switching hole 25 is aligned with the water diversion hole 18, the water in the water supply passage 16 can enter the water discharge passage 17 through the switching hole 25 and the water diversion hole 18, thereby realizing water discharge from the shower head. When the switching hole 25 and the water diversion hole 18 are misaligned, the communication between the water supply passage 16 and the water discharge passage 17 is cut off, and water stops flowing from the shower head. By adjusting the positions of the switching hole 25 and the water diversion hole 18, the flow rate of water flowing into the water discharge passage 17 can be adjusted. In other specific embodiments, the number of diversion holes 18 in the valve body 12 and the number of switching holes 25 in the switching plate 23 may be other numbers.

In order to ensure that the water flow can be switched normally, seal packings 26 corresponding to the water diversion holes 18 are provided in the mounting grooves 22 so as to prevent the water flow from entering the water outlet passage 17 through the gaps between the water diversion holes 18 . may be provided.

In the above implementation process, the transmission part 24 is driven to rotate by the switching return assembly 14, and the switching plate 23 is moved to rotate in the mounting groove 22, so that the switching hole 25 and the diversion hole 18 are relative to each other. Change the position to realize the switching of the water flow. Since the switching plate 23, which is a part of the water dividing plate 13, is positioned in the mounting recessed groove 22, the rotation route of the water dividing plate 13 is restricted to the valve body 12, so the movement of the water dividing plate 13 is restricted to the limited space. , it is possible to prevent the water diversion board 13 from being displaced.

In the present disclosure, a valve cover 27 may be further installed, and the valve cover 27 is located at one end of the transmission part 24 in the water dividing plate 13 . The position of the switching plate 23 can be limited between the valve lid 27 and the valve body 12 by the transmission portion 24 penetrating the valve lid 27 .

In the process of realizing the above, the addition of the valve cover 27 provides a reliable connection between the water dividing plate 13 and the valve body 12, and the position of the switching plate 23 of the water dividing plate 13 is limited to the mounting groove 22. This prevents the water dividing plate 13 from escaping from the valve body 12 and contributes to the normal operation of the shower head. The valve lid 27 also serves as a seal, and can prevent the water flow entering the water diversion hole 18 via the water diversion plate 13 from leaking from between the valve body 12 and the water diversion plate 13 .

In the present disclosure, a locking portion 28 is formed on the wall surface of the valve body 12 and an annular engagement structure 29 is formed on the end surface of the valve body 12 . An end of the valve lid 27 is engageable with the annular engagement structure 29 , and an edge of the valve lid 27 is formed with a locking groove 30 that engages the locking portion 28 .

In the above implementation process, the valve body 12 and the valve lid 27 can be engaged with each other, so that the valve body 12 and the valve lid 27 can be easily assembled or disassembled, and the water divider 13 can be connected to the valve body 12 and the valve. It can contribute to assembling with the lid 27 . It should be noted that in other specific embodiments, valve lid 27 may be welded to valve body 12 after water divider 13 is assembled to valve body 12 .

Switching assembly 20 comprises ratchet 31 and drive block 32 . The transmission portion 24 of the water dividing plate 13 can penetrate the ratchet 31, and the position limiting groove 34 of the transmission portion 24 and the bump 35 of the ratchet 31 can be engaged. A drive ratchet pawl 33 and a transmission block 41 are provided on the drive block 32 , and the drive block 32 can be interlocked with the rotation operation member 19 by engaging the transmission block 41 with the positioning groove 42 of the rotation operation member 19 . Since the drive ratchet pawl 33 of the drive block 32 and the ratchet 31 mesh with each other, when the rotary operation member 19 is rotated in the forward direction, the ratchet 31 is driven by the drive block 32 to rotate in the forward direction, thereby transmitting power. The water dividing plate 13 is moved by the portion 24 to rotate in the positive direction.

In the above implementation process, the ratchet 31 and the drive block 32 are simple in structure and easy to manufacture, and the drive ratchet pawl 33 drives the ratchet 31 to rotate, thereby contributing to the improvement of the efficiency of transmission of the acting force. It can guarantee the efficiency of water flow switching. Further, if the characteristics of the ratchet 31 and the ratchet pawl are utilized, the ratchet 31 will not move when the driving ratchet pawl 33 acts in the opposite direction to the ratchet 31, so that the normal operation of the water dividing plate 13 can be guaranteed. It is possible to avoid that the water diversion board 13 is affected by the acting force of the return portion 21 in the opposite direction when the acting force is removed.

In the present disclosure, FIG. 5 is an assembled view of the valve body 12, switching return assembly 14 and handle 15 after rotating the pivot operating member 19 in this embodiment. FIG. 6 is an assembly drawing of the valve body 12, the switching return assembly 14, and the handle 15 after the rotary operation member 19 is returned in this embodiment. 5 and 6 only exemplify one type of possible positive and reverse directions of rotation of the rotary operation member 19. In other specific embodiments, FIGS. is not limited to the directions shown in .

As shown in FIG. 5, when the rotary operation member 19 is rotated in the forward direction, the drive ratchet pawl 33 of the drive block 32 pushes the ratchet 31 to rotate it in the forward direction, thereby rotating the water divider 13 (not shown). ) in the forward direction. As shown in FIG. 6, when the drive block 32 rotates in the opposite direction, the drive ratchet pawl 33 slips against the ratchet 31 so that it does not rotate with the ratchet 31 and the water divider 13 (not shown) is affected. never be

In the present disclosure, as shown in FIG. 4, the transmission part 24 is a shaft-like structure, and a position limiting groove 34 is formed on its wall surface. The ratchet 31 is mounted around the transmission part 24 , the bump 35 is formed on the inner ring of the ratchet 31 , and the bump 35 is fitted in the position limiting groove 34 . The drive block 32 is rotatably mounted on the transmission portion 24 .

In the above implementation process, both the ratchet 31 and the driving block 32 are mounted on the transmission part 24, which contributes to the stability of the connection between the ratchet 31, the driving block 32, and the water dividing plate 13. In addition, since the drive block 32 is rotatable around the transmission portion 24, the acting force of the drive block 32 is stably transmitted to the water dividing plate 13 in an accurate direction, ensuring the accuracy of water flow switching.

In addition, in the present disclosure, two position limiting grooves 34 are provided and symmetrically provided on the wall surface of the transmission part 24, and two bumps 35 are provided on the inner ring of the ratchet 31 accordingly. are fitted in the position limiting grooves 34, respectively, it is possible to contribute to the stability of the connection between the ratchet 31 and the water diversion board 13, and to contribute to stably driving the rotation of the water diversion board 13 by the ratchet 31. In other specific embodiments, the number of position limiting grooves 34 may be different and the position of the wall surface of the transmission part 24 may be different, provided that the number and position of the bumps 35 are set accordingly. good. The ratchet 31 may be connected to the transmission portion 24 via a fixing member, and may be fixed to the transmission portion 24 with screws, for example.

In the present disclosure, switch return assembly 14 may further include positioning pawl 36 . A positioning pawl 36 is provided in a recessed groove 37 of the valve lid 27 and acts on the ratchet 31 to limit the movement of the ratchet 31 in the reverse direction.

In the above implementation process, the addition of the positioning pawl 36 can ensure that the ratchet 31 will not move in the reverse direction under any circumstances, so that the diversion board 13 will not move in the reverse direction. That is, when the force acting on the rotating operation member 19 is released after one water flow switching is completed, the rotating operation member 19 is restored by the return portion 21, but the water diversion board 13 is not affected and the current state is maintained. The position of the water dividing plate 13 can be further adjusted by the user rotating the rotary operation member 19 again in the positive direction to drive the water dividing plate 13 to move in the positive direction. can do.

In addition, in the present disclosure, the positioning claw 36 is provided at the end of the valve lid 27 . To facilitate assembly, the end of the valve lid 27 is formed with a recessed groove 37 into which the positioning pawl 36 is fitted.

In the present disclosure, the return part 21 comprises a resilient device configured to act on the drive block 32 to drive the drive block 32 to rotate in the opposite direction.

In the above implementation process, the elastic device has a simple structure and good restoring effect. It rotates to drive the rotating operation member 19 to rotate and return to prepare for the next rotation of the rotating operation member 19 by the user.

Note that elastic devices include, but are not limited to, springs, torsion springs, elastic strips or other elastic structures. For example, in the present disclosure the resilient device is an annular spring secured between handle 15 and drive block 32 .

In the present disclosure, as shown in FIG. 3, the handle 15 includes a first tubular connecting portion 38 formed at the end of the showerhead body 11 and a second tubular connecting portion 39 threadedly engaged with the first tubular connecting portion 38. including. A rotary through-hole 40 is formed in the wall surface of the first tubular connecting portion 38 . The rotary operation member 19 is rotatably mounted between the first tubular connection portion 38 and the second tubular connection portion 39 . A transmission block 41 is projected from the wall surface of the drive block 32 , and is configured to pass through the rotation through-hole 40 and connect to the rotation operation member 19 .

In the process of realizing the above, the first tubular connection portion 38 and the second tubular connection portion 39 are detachable from each other, which contributes to maintenance of the valve body 12, the seal packing 26, the water dividing plate 13, and the switching return assembly 14. In addition, since the rotary operation member 19 can block the gap between the first tubular connection portion 38 and the second tubular connection portion 39, a flat surface can be provided between the showerhead main body 11 and the handle 15. , can give the shower head a neat appearance.

In addition, as shown in FIG. 4, in the present disclosure, two rotation through holes 40 are provided, and are formed on the wall surface of the first tubular connecting portion 38 with an interval therebetween. Two transmission blocks 41 corresponding to the two rotation through holes 40 are provided, and two positioning grooves 42 corresponding to the two transmission blocks 41 are provided on the inner wall of the rotation operating member 19 . The transmission block 41 penetrates the rotation through-hole 40 and is positioned in the positioning groove 42 to ensure the stability of the connection between the rotation operation member 19 and the drive block 32, It can ensure that the drive block 32 is stably driven and rotated. The pivot through-holes 40 may be of other numbers and may be spaced apart at other positions on the wall surface of the first tubular connecting portion 38 , and the number and position of the transmission blocks 41 on the wall surface of the drive block 32 may vary. , the number and positions of the positioning grooves 42 on the inner wall of the rotary operation member 19 may be set accordingly.

In the present disclosure, a handle piece 43 is formed on the wall surface of the rotating operation member 19 .

In the process of realizing the above, the user can hold the handle 15 with one hand and move the turning operation member 19 with the finger to move the water dividing plate 13 to switch the water flow, and the operation of the finger is simple. , fast and suitable for one-handed operation.

In another specific embodiment, instead of the handle piece 43, the wall surface of the rotating operation member 19 may be provided with a structure such as a straight tooth, an oblique tooth, or a concave groove 37. can contribute to the rotation operation of the rotation operation member 19 by

In the present disclosure, the showerhead body 11 includes a housing 44, a water discharge member 45, and a front cover 46, as shown in FIG. A first tubular connection 38 of the handle 15 is formed in the housing 44 and a water discharge member 45 is installed between the front cover 46 and the housing 44 . The valve body 12 is fixed to the housing 44 with screws and connected to the water discharge member 45 .

In the process of realizing the above, the showerhead main body 11 has a simple structure, which contributes to manufacturing and maintenance. Since the valve body 12 is fixed inside the showerhead main body 11 with screws, it can contribute to the stability of the connection between the valve body 12 and the showerhead main body 11 . Moreover, since the water discharge member 45 can be blocked by the front cover 46, the shower head main body 11 can be given a neat appearance and the water discharge member 45 can be protected from being damaged by an external object.

In the present disclosure, the fixing lug 47 is projected from the wall surface of the valve body 12 and the through hole is formed in the fixing lug 47, so that the screw penetrates the through hole to connect the valve body 12 and the housing 44 together. can be fixed. The water discharge passage 17 is formed inside the water discharge member 45 , the water discharge joint 48 is arranged at the end of the water discharge member 45 , and the water discharge joint 49 is arranged at the end of the valve body 12 . By inserting and connecting the water outlet joint 49 of the valve body 12 and the water inlet joint 48 of the water discharge member 45, the stability of the connection between the valve body 12 and the water discharge member 45 can be guaranteed, and the valve body 12 and the water discharge member can be secured. The sealing effect between 45 can also be guaranteed. A locking structure 50 is formed on the edge of the front cover 46 for engaging and connecting with the housing 44, so that the front cover 46 can be assembled and removed.

The above are only preferred embodiments of the present application and are not intended to limit the present application. For those skilled in the art, various modifications and changes may be made to this application. Any modification, equivalent substitution, improvement, etc. made without departing from the essence and gist of this application shall fall within the protection scope of this application.

INDUSTRIAL APPLICABILITY This embodiment provides an automatic reset shower head that can solve the problem of conventional multi-function showers that cannot be operated with one hand and is inconvenient to use. The self-returning showerhead according to the present disclosure is easy to operate, quick, and suitable for one-handed operation. The automatic reset showerhead according to the present disclosure can quickly respond to one-handed operation, contribute to improving the water flow switching speed of the showerhead, give the showerhead body 11 a neat appearance, and can be assembled. , can also contribute to removal and maintenance.

10 Automatic return type shower head 11 Shower head main body 12 Valve body 13 Diversion board 14 Switch return assembly 15-Handle 16 Water supply passage 17 Water discharge passage 18 Diversion hole 19 Rotating operation member 20 Switch Assembly 21 Return portion 22 Mounting groove 23 Switching plate 24 Transmission portion 25 Switching hole 26 Seal packing 27 Valve cover 28 Engagement portion 29 Annular engagement structure 30 Engagement groove 31 Ratchet 32 Drive block 33 Drive ratchet pawl 34 Position limiting groove 35 Bump 36 Positioning pawl 37 Groove 38 First tubular connecting portion 39 Second tubular connecting portion 40 Rotating through hole 41 Transmission block 42 Positioning groove 43... Handle piece 44... Housing 45... Water discharge member 46... Front cover 47... Fixing lug 48... Water inlet joint 49... Water outlet joint 50... Locking structure.

Claims (13)

a shower head body in which a handle is arranged and a water outlet passage communicates with the water supply passage of the handle;
a valve body having a water diversion hole, fixed to a connecting portion between the shower head body and the handle, and positioned between the water supply passage and the water discharge passage;
a water diversion board installed inside the handle and rotating with respect to the valve body to adjust water flow entering the water outlet passage through the water diversion hole;
a switching return assembly mounted on the handle and interlocking with the water divider;
with
the switch return assembly,
a rotating operation member installed on a wall surface of the handle;
a switching assembly mounted inside the handle;
a return portion installed inside the handle;
the rotating operation member is interlocked with the switching assembly, the switching assembly is interlocked with the water dividing plate, and the rotating operating member is rotated in a positive direction to drive and move the water dividing plate;
The return portion is interlocked with the rotary operation member to drive the rotary operation member to move in the opposite direction to return ;
one end of the valve body is connected to the water discharge passage, the other end is formed with a mounting groove, and the water diversion hole is formed inside the valve body;
The water dividing plate is installed inside the connecting portion between the showerhead body and the handle, and includes a switching plate and a transmission portion,
a switching hole is formed in the switching plate, and the switching plate is rotatably installed in the mounting groove of the valve body;
wherein the transmission section has a passage inside that communicates with the water supply passage so that water flows through the inside of the transmission section to the switching plate;
The transmission part has a shaft-like structure, and a position limiting groove is formed in the transmission part,
the transmission portion is connected to the switching plate and interlocked with the switching return assembly through the position limiting groove;
The switch return assembly is provided at a connecting portion between the shower head body and the handle.
placed,
wherein the switching assembly is installed inside a connecting portion between the showerhead body and the handle;
the rotating operation member is installed on the wall surface of the connecting portion between the showerhead body and the handle, and a positioning groove is formed;
The return part is installed inside the connecting part between the shower head body and the handle,
the rotating operation member is interlocked with the switching assembly, the switching assembly is interlocked with the water dividing plate, and the rotating operating member is rotated in a positive direction to drive the movement of the water dividing plate;
the switching assembly comprises a ratchet and a drive block;
the ratchet and the drive block are mounted around the transmission part of the water dividing plate, the drive block being rotatable around the transmission part;
A bump is formed on the inner ring of the ratchet, and the bump is fitted into the position limiting groove of the transmission portion to interlock the ratchet and the transmission portion, and the drive block includes a drive ratchet pawl, a transmission block projecting from a wall surface of the drive block, the drive block and the rotation operation member being interlocked by engagement between the transmission block and the positioning groove of the rotation operation member;
Engagement of the drive ratchet pawl with the ratchet drives the ratchet to rotate in the forward direction,
The return part comprises a resilient device acting on the drive block to drive the reverse rotation of the drive block.
An automatic return type shower head characterized by: The self-return showerhead of claim 1, further comprising a seal packing, wherein the seal packing is disposed on the valve body. further comprising the handle;
3. The handle comprises a first tubular connection formed at the end of the showerhead body, and a second tubular connection screwed with the first tubular connection. Automatic return type shower head described in . The showerhead body includes a housing, a water discharge member and a front cover,
the housing is formed with the first tubular connecting portion of the handle, and the valve body is fixed for connection with the water discharge member;
the water discharge member is installed between the front cover and the housing, the water discharge passage is formed therein, and a water inlet joint is installed at an end;
4. The self-recovery showerhead of claim 3 , wherein an edge of the front cover is formed with a locking structure for engaging and connecting with the housing. A locking portion is formed on a wall surface of the valve body,
An annular engagement structure is formed on the end face of the valve body,
a water discharge joint is provided at the end of the valve body, and the water discharge joint is inserted and connected to the water inlet joint of the water discharge member;
A fixing lug is protruded from a wall surface of the valve body , a through hole is formed in the fixing lug, and a screw passes through the through hole to fix the valve body and the housing. Item 5. The automatic reset showerhead according to item 4 . 6. The automatic reset showerhead of claim 5 , wherein four water diversion holes are provided. 7. The automatic reset showerhead of claim 6 , wherein two switching holes are provided. the switching return assembly further comprising a valve lid;
the valve cover is installed at one end of the transmission part of the water dividing plate, and a groove is formed in the valve cover;
The position of the switching plate is limited between the valve lid and the valve body by the transmission portion penetrating the valve lid,
an end of the valve lid is engaged with the annular engagement structure of the valve body;
The automatic return shower according to any one of claims 5 to 7 , wherein an edge of the valve lid is formed with a locking groove for engaging with the locking portion of the valve body. head. The switching return assembly further comprises a positioning pawl, and the positioning pawl is fitted into the groove of the valve cover and acts on the ratchet to stop the ratchet from moving in the opposite direction. The self-resetting showerhead according to claim 8 . a rotation through-hole is formed in a wall surface of the first tubular connection portion of the handle;
the rotating operation member of the switching return assembly is rotatably mounted between the first tubular connection portion and the second tubular connection portion;
10. The self-recovery showerhead of claim 9 , wherein the transmission block of the driving block penetrates through the rotary through-hole and connects with the rotary operation member. 11. The automatic return type according to claim 10 , wherein a handle piece configured to allow a user to operate the rotation of the rotation operation member with one hand is formed on the wall surface of the rotation operation member. shower head. By rotating the rotating operation member of the switching return assembly in the forward direction, the transmission portion of the water dividing plate is driven to rotate, and the switching plate of the water dividing plate is moved to move the mounting recess of the valve body. Adjusting the position of the water diversion board by rotating it in the groove in the positive direction to change the relative positions of the switching hole and the water diversion hole. 2. A method of using the automatic reset type shower head according to item 1. removing the force for rotating the rotating operation member in the forward direction, rotating the return portion in the reverse direction, and driving and rotating the rotating operation member to return;
The positioning pawl installed in the recessed groove of the valve cover acts on the ratchet of the switching return assembly to stop the reverse movement of the ratchet and the drive ratchet pawl of the drive block. against the ratchet to ensure that the divider remains unaffected by the return of the pivoting member and remains in its current position . 13. The method of using the automatic reset shower head according to claim 12, citing any one of items 11 to 11.

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